Importance

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Abstract

The nonwoven fabric of the present invention is a nonwoven fabric containing: a carbon fiber or carbon fiber precursor (A) each having an average fiber diameter of 10 μm or more and 30 μm or less, a tensile strength (1) of 40 N/mm² or more and 300 N/mm² or less, and an elongation percentage of 0% or more and 10% or less; and a fiber (B) having an average fiber diameter of 5 μm or more and 30 μm or less and a tensile strength (2) of 200 N/mm² or more and 600 N/mm² or less, provided that the tensile strength (2) is higher than the tensile strength (1), wherein the blend ratio between the carbon fiber or carbon fiber precursor (A) and the fiber (B) ((A):(B)) is 50:50 to 99:1 on mass basis, the carbon fiber or carbon fiber precursor (A) is an activated carbon fiber or an infusibilized fiber, and the fiber (B) is a carbon fiber or a carbon fiber precursor.

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First Claim